AirHint found the following cheapest return flights from Basel (BSL) to Seoul (ICN) in September 2026 (see full year).
Return flights
| 07 Sep - 21 Sep | Norwegian Air Sweden AOC | ||
| 28 Sep - 16 Oct | easyJet | ||
| 18 Sep - 30 Sep | easyJet | ||
| 10 Sep - 17 Sep | KLM | ||
| 29 Sep - 16 Oct | easyJet |
Also check the deals for one-way flights from Basel to Seoul in September.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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